The Degree, Development and Interrelationship of Structural and Functional Asymmetry in (Pre)Adolescent Elite Tennis Players (AsymTen)
The Degree, Development and Interrelationship of Structural and Functional Asymmetry in (Pre)Adolescent Elite Tennis Players: A Prospective Cohort Study With a Link to Growth and Maturation, Technical Skill Performance and Whole Body Injury
調査の概要
状態
条件
研究の種類
入学 (予想される)
連絡先と場所
研究場所
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Brussels、ベルギー、1050
- Physical Education and Physical Therapy
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参加基準
適格基準
就学可能な年齢
健康ボランティアの受け入れ
受講資格のある性別
サンプリング方法
調査対象母集団
説明
Inclusion Criteria:
- Being enrolled in a Belgian high-performance tennis academy
Exclusion Criteria:
- Injury at the start of the data collection, any known musculoskeletal abnormality, developmental disorder or metabolic disease.
研究計画
研究はどのように設計されていますか?
デザインの詳細
コホートと介入
グループ/コホート |
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年齢と性別に応じたコントロール
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Elite (pre)adolescent tennis players
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この研究は何を測定していますか?
主要な結果の測定
結果測定 |
メジャーの説明 |
時間枠 |
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Anthropometry
時間枠:September 2017 - December 2020
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Stature (cm) Sitting height (cm) Upper- and lower extremity length (cm) body weight (kg) Body Mass Index (kg/m²) Age at Peak height Velocity (years) Skeletal muscle mass (kg) These values will be determined every two months during a maximum period of three years, expressed as mean and standard deviation and will be used to develop growth charts and velocity curves. |
September 2017 - December 2020
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Body composition
時間枠:September 2017 - December 2020
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Dual X-Ray Absorptiometry
Circumferences - upper and lower arm, thigh and calf (in cm) Ultrasound - Muscle thickness ((in mm) of M. Biceps, M. Triceps, M. Rectus Abdominis, Quadriceps and Hamstrings) Bioelectric impedance
These outcome measures will be determined on both the dominant and the non-dominant extremity/side every six months during a maximum period of three years. The side-to-side difference will be calculated using the symmetry index (see outcome measure 4). Every outcome measure described above will be expressed as mean and standard deviation for both the dominant and non-dominant extremity/side |
September 2017 - December 2020
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Functional test battery
時間枠:September 2017 - December 2020
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Strength and Power:
Speed and Agility:
Balance and Flexibility:
Motor control and Coordination:
Locomotion pattern: - Ground Reaction Forces (force in N) Every test will be performed unilaterally for both the dominant and non-dominant extremity/side every six months during a maximum period of three years. The side-to-side difference will be calculated using the symmetry index (see outcome measure 4). The mean (plus standard deviation) of every test (dominant and non-dominant test score) will be reported |
September 2017 - December 2020
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Structural and functional asymmetry index
時間枠:September 2017 - December 2020
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Side-to-side difference (i.e. dominant vs non-dominant extremity/side) will be calculated and expressed as a percentage (extremity symmetry index (%)) for the outcome measures described above (anthropometry, body composition and functional test battery) using following formula: ((measure dominant extremity/measure non-dominant extremity)-1) x 100 |
September 2017 - December 2020
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二次結果の測定
結果測定 |
メジャーの説明 |
時間枠 |
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Injury incidence
時間枠:September 2017 - December 2020
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Injury incidence in young elite tennis players (patterns and occurence) will be recorded and reported continuously for a maximum period of three years.
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September 2017 - December 2020
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Technical tennis skills performance
時間枠:September 2017 - December 2020
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technical skill of young elite tennis players. - Technical skill performance will be examined by means of video analysis once a year and scored by an independent expert panel. Mean technical ability will be reported. Tennis specific performance: - Tennis players will perform the Dutch Technical-Tactical Tennis Test (D4T) once a year. The mean test score will be reported. |
September 2017 - December 2020
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協力者と研究者
スポンサー
捜査官
- スタディディレクター:Eva D'Hondt, PhD、Vrije Universiteit Brussel
- スタディディレクター:Peter Clarys, PhD、Vrije Universiteit Brussel
研究記録日
主要日程の研究
研究開始 (予想される)
一次修了 (予想される)
研究の完了 (予想される)
試験登録日
最初に提出
QC基準を満たした最初の提出物
最初の投稿 (実際)
学習記録の更新
投稿された最後の更新 (実際)
QC基準を満たした最後の更新が送信されました
最終確認日
詳しくは
この情報は、Web サイト clinicaltrials.gov から変更なしで直接取得したものです。研究の詳細を変更、削除、または更新するリクエストがある場合は、register@clinicaltrials.gov。 までご連絡ください。 clinicaltrials.gov に変更が加えられるとすぐに、ウェブサイトでも自動的に更新されます。